package liyuanchen.rabc.service.array;

import liyuanchen.rabc.domain.dto.DeptDto;
import liyuanchen.rabc.domain.entity.Dept;
import liyuanchen.rabc.domain.vo.DeptVo;
import liyuanchen.rabc.domain.vo.Result;
import liyuanchen.rabc.service.IDeptService;
import liyuanchen.rabc.service.IUserService;


public class DeptService extends BaseService<Dept, DeptDto, DeptVo> implements IDeptService  {

    private DeptService() {
        data = new Dept[DATA_SIZE + 1];
        temp = new DeptVo[DATA_SIZE];
    }

    private IUserService userService;

    private static IDeptService singleton;


    public static IDeptService getInstance(){
        if(singleton == null){
            singleton = new DeptService();
        }
        return singleton;
    }
    @Override
    DeptVo convertToVo(Dept dept) {
        return new DeptVo(dept.getId(), dept.name, dept.phone);
    }
    @Override
    Dept createEntity(DeptDto dto,int id){
        return new Dept(id, dto.name, dto.phone);
    }
    @Override
    void updateEntity(DeptDto dto, Dept dept) {
        dept.name = dto.name;
        dept.phone = dto.phone;
    }



    @Override
    public Result delete(int id) {
        if (!existsById(id)) {
            return Result.failure("删除失败，不存在该数据");
        }
        if (userService == null) {
            userService = UserService.getInstance();
        }
        if (userService.deptInUse(id)) {
            return Result.failure("删除失败，有⽤户属于该部⻔，不能删除");
        }
        data[id] = null;
        return Result.success("删除成功", null);
    }


}

